Manufacturing > Milling > General Information > To Specify Negative Stock Allowance
  
To Specify Negative Stock Allowance
Specifying negative stock allowance may be required in special cases, such as milling of electrodes. Negative stock allowance can be specified for the following NC sequence types:
For Volume, Local, Conventional, Contour, and Pocket milling, negative stock allowance value must be less than Corner_Radius of the tool.
For Profile and Trajectory milling, any negative value may be specified.